The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 13, 2013

Filed:

Oct. 11, 2010
Applicants:

Gustav Johnny Israelsson, Roberstsfors, SE;

Karolina Elisabet Hannersjö, Roberstsfors, SE;

Pär Erik Håkan Schelin, Roberstsfors, SE;

Inventors:

Gustav Johnny Israelsson, Roberstsfors, SE;

Karolina Elisabet Hannersjö, Roberstsfors, SE;

Pär Erik Håkan Schelin, Roberstsfors, SE;

Assignee:

Element Six Limited, County Clare, IE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/46 (2006.01); B23B 5/16 (2006.01);
U.S. Cl.
CPC ...
Abstract

A PCD composite compact comprising a PCD structure bonded at an interface to a substrate comprising cemented carbide material; the PCD structure comprising a mass of directly inter-bonded diamond grains having a mean size of at most about 4 microns, and the PCD structure comprising at least about 0.05 weight percent refractory metal or carbide of a refractory metal selected from the group comprising W, Ti, V, Cr, Zr, Nb, Mo, Hf and Ta; and at least the cemented carbide material proximate the interface having a content of metallic binder material of at most about 6 weight percent.


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